APA (7th ed.) Citation

Penn, W. S., Lanham, B. J., & Titow, W. V. (1971). P.V.C. technology / by W.S. Penn (3rd ed.). Applied Science Publishers Ltd.

Chicago Style (17th ed.) Citation

Penn, William Samuel, Bernard Joseph Lanham, and W. V. Titow. P.V.C. Technology / by W.S. Penn. 3rd ed. Barking: Applied Science Publishers Ltd, 1971.

MLA (9th ed.) Citation

Penn, William Samuel, et al. P.V.C. Technology / by W.S. Penn. 3rd ed. Applied Science Publishers Ltd, 1971.

Warning: These citations may not always be 100% accurate.